|
Item
|
Value
|
Unit
|
|
Model
|
SR250
|
-
|
|
Max. Output Torque
|
250
|
kN·m
|
|
Max. Drilling Diameter
|
2300
|
mm
|
|
Max. Drilling Depth (Friction Kelly Bar)
|
69
|
m
|
|
Max. Drilling Depth (Interlocking Kelly Bar)
|
54
|
m
|
|
Rotary Head Speed
|
6–28
|
rpm
|
|
Max. Crowd Force
|
208
|
kN
|
|
Max. Pull-out Force
|
256
|
kN
|
|
Operating Weight
|
74000
|
kg
|
|
Engine Rated Power
|
242 @ 2000
|
kW/rpm
|
|
Main Winch Lifting Capacity
|
256
|
kN
|
|
Chassis Type
|
Retractable Crawler Chassis
|
-
|
|
Emission Standard
|
EU Stage III / EPA Tier 3
|
-
|
High construction efficiency SANY SR250 Rotary Drilling Rig
Description
Detailed description
Description
High construction efficiency
Main winch combined hydraulic technology, leading the industry in drilling speed, with a construction efficiency 15% higher than competitors in the same level; The pulse pressure system significantly accelerates the drilling of pebbles and soft rocks.
Fuel efficient and durable
g engine, with a comprehensive fuel consumption 5% to 10% lower than similar models; Mast and drill pipe robot welding+non-destructive testing, with longer service life of drill pipes.
intelligent control
10 inch touch color screen, real-time display of torque, depth, verticality, and hoisting pressure; Automatic hole depth measurement, automatic leveling of mast, floating anti collapse hole for main winch; The cab is shock-absorbing and soundproof, and the pilot handle is easy to operate.
Complete safety protection
The aircraft tilt angle alarm, rotation collision prevention, main winch anti roll, top aviation warning light, emergency stop pull rope meet the safety regulations of urban construction sites.
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